B07FF3RHYT 24 Hours Trend Palm Mini End Tidal CO2 Digital Monitor EtCO2/CO2 Monitor

Monitoring the E^tCO2/CO2 , Respiration Rate Balance gas compensation makes minimum influence against other gases. KPA , mmHg or % are selectable. Audio-optical alarm for exceeding limits and A^pnea 24 hours trend diagram keeps still available after power-off